VelopediaBicycle Archive · Specification report

2003 Giant Iguana Disc

Velopedia Archive ID 38867

Overview

Model year2003
BrandGiant
ModelIguana Disc
Bicycle typeMountain bike, front suspension
Archive ID38867
Original MSRP$580.00
ColorsDream Silver/Silver
Sizes14", 17", 19", 21", 23"

Frameset

Frame constructionTIG-welded
Frame materialAluxx SL aluminum
ForkAnswer Manitou Six Sport, 80mm travel
Fork materialAluminum/magnesium, single crown
Rear shockN/A

Drivetrain

Component groupMountain Mix
ShiftersShimano EF-29
Front derailleurShimano Acera
Rear derailleurShimano Deore SGS
CranksetGiant Alloy MTB, 22/32/42 teeth
Bottom bracketTien Hsin BB-7420ST, 113mm spindle
BB shell width68mm English
Rear cogs8-speed, 11 - 32 teeth
ChainShimano CN-IG51, 1/2 x 3/32"
PedalsSteel cage w/clips & straps

Brakes

BrakesHayes Mechanical Disc brakes, Shimano EF-29 levers

Cockpit & contact points

Headset1 1/8" threadless Aheadset
HandlebarGiant Alloy Riser
Handlebar extensionsNot included
StemGiant alloy MTB
SaddleGiant Groove
SeatpostAluminum micro-adjust, 30.8mm diameter

Wheels & tires

HubsShimano Disc
RimsAluminum, double wall, 32-hole
SpokesChun Nan stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipplesBrass nipples
Front tire26 x 2.00" Hutchinson Mosquito
Wheel size26" wheels

Geometry · Legacy reference

Top tube589.3 mm
Head-tube angle71°
Seat-tube angle72°
Chainstay / rear center424.2 mm
Wheelbase1051.6 mm
Fork offset / rake38.1 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 8, 2026.